A.SELECT学号,成绩FROM Student ToP 10"成绩"DESC WHERE课程号="00002" B.SELECT学号,成绩FROM Student ToP 10 PERCENT"成绩"ASC WHERE课程号="00002" C.SELECT学号,成绩FROM Student ToP 10 ORDER BY"成绩"DESC WHERE课程号="00002" D.SELECT学号,成绩FROM Student ToP 10 PERCENT ORDER BY"成绩"ASC WHERE课程号="00002"